18514738

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{1999}}^1$

素因数の和:2433

約数の個数: 16

約数和(自身を含む): 30384000

約数和(自身を除く): 11869262

約数列:

[1, 2, 11, 22, 421, 842, 1999, 3998, 4631, 9262, 21989, 43978, 841579, 1683158, 9257369, 18514738]

約数ペア:

[(1, 18514738), (2, 9257369), (11, 1683158), (22, 841579), (421, 43978), (842, 21989), (1999, 9262), (3998, 4631)]